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1.
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对三维波动方程做单程波分解，给出了用低阶偏微分方程组逼近上行波方程的2种高阶近似表达式。
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2.
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本文首先用最小作用量原理推导出波纹圆薄板的变分方程。
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3.
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, 然后，提出了以推进波前法与映射法相结合处理裁剪曲面的三角剖分方法，并给出了具体的实现算法。
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4.
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导数场边界积分方程通常难以应用，因为存在着超奇异主值积分的计算障碍。
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5.
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采用直接蒙特卡洛路径积分方法计算了稠密氢等离子体的物态方程。
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6.
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波纹喇叭辐射方向图一般是采用口面场积分方法得到的，但计算速度较慢。
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7.
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柱形量水槽可以方便地将水位传感装置安装在柱体内，形成量测十分方便的移动式或固定式量水设施。
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8.
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, 本文首先介绍了地下水在岩土层中的渗流要遵循渗流运动方程和连续性方程，在此基础上得到了稳定渗流的微分方程式。
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9.
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首先利用玻恩近似将非线性积分方程线性化，然后应用变分方法导出用于反演的电场积分方程。
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10.
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而且，这些柱子是可以自由移动的，想要变换位置是十分方便的。
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11.
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这里的交通四通八达，市民出行十分方便。
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12.
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用拉普拉斯变换式对微分方程进行变换，把输出和输入联系起来，得到脉冲响应与系统输入输出之间的对等关系。
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13.
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, 是源自西洋古典音乐中的一种键盘乐器，普遍用于独奏、重奏、伴奏等演出，用于作曲和排练音乐十分方便。
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14.
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且不说每天十分方便的“云备份”，单说无处不在的邮件处理、日历查询和网页接入功能就够可以了吧！
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15.
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有棱有角的害处是，别人啃起你来十分方便。
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16.
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mySQL堪称杀手级的特性就是可以十分方便的配置主从同步复制模式，从而便利的提供只读功能而且又可以实时和主库保持更新同步的从库。
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17.
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最终，笔者给出了定价分解公式并确定了最优转换边界所满足的积分方程。
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18.
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阶梯梁静力和动力问题的传统解法是分离变量后分阶梯写出常微分方程并分别求解，不胜其烦。
※ "分方"造句
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怎祝网汉语词典查词提供。